ARM: dts: sun8i: a23-a33: Add SRAM controller node and C1 SRAM region

This adds a SRAM controller node for the A23 and A33, with support for
the C1 SRAM region that is shared between the Video Engine and the CPU.

Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
[Maxime: Fixed the prefix and the compatibles]
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>

arch/arm/boot/dts/sun8i-a23-a33.dtsi

@@ -124,6 +124,28 @@
 		#size-cells = <1>;
 		ranges;
 
+		system-control@1c00000 {
+			compatible = "allwinner,sun8i-a23-system-control";
+			reg = <0x01c00000 0x30>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges;
+
+			sram_c: sram@1d00000 {
+				compatible = "mmio-sram";
+				reg = <0x01d00000 0x80000>;
+				#address-cells = <1>;
+				#size-cells = <1>;
+				ranges = <0 0x01d00000 0x80000>;
+
+				ve_sram: sram-section@0 {
+					compatible = "allwinner,sun8i-a23-sram-c1",
+						     "allwinner,sun4i-a10-sram-c1";
+					reg = <0x000000 0x80000>;
+				};
+			};
+		};
+
 		dma: dma-controller@1c02000 {
 			compatible = "allwinner,sun8i-a23-dma";
 			reg = <0x01c02000 0x1000>;